Variabilité de l'angle du fil du bois chez quelques feuillus : Hêtre, Chêne et Eucalyptus dalrympleana

Birot, Yves; Dufour, Jules; Ferrandes, P.; Cros, Eric Teissier Du; Azoeuf, P.; Hoslin, R.

doi:10.1051/forest:19800102

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…The grain angle negatively influenced the wood mechanical properties, even when the level was very low. The low variation in grain angle found in both species supports previously published studies (Birot . 1980;Guilley et al 1999).…”

Section: Discussionsupporting

confidence: 91%

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Mechanical properties of secondary quality beech (Fagus sylvatica L.) and oak (Quercus petraea (Matt.) Liebl.) obtained from thinning, and their relationship to structural parameters

Purba

Dlouhá

Ruelle

et al. 2021

Annals of Forest Science

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Section: Discussionsupporting

confidence: 91%

“…Therefore, variations in grain angle can significantly impact the mechanical properties (Tsehaye and Walker 1995). Low variations in grain angle are expected in beech and oak (1°-3°) compared to that in some other species (Birot et al 1980;Guilley et al 1999).…”

Section: Introductionmentioning

confidence: 81%

Mechanical properties of secondary quality beech (Fagus sylvatica L.) and oak (Quercus petraea (Matt.) Liebl.) obtained from thinning, and their relationship to structural parameters

Purba

Dlouhá

Ruelle

et al. 2021

Annals of Forest Science

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“…In oak, high levels of phenotypic variability have also been detected for spiral grain (Birot et al, 1980) and sensitivity to frost cracks (Miller, 1987).…”

mentioning

confidence: 99%

The possible status of wood quality in oak breeding programs (Quercus petraea Liebl and Quercus robur L)

Nepveu¹

1993

Ann. For. Sci.

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Summary — The first part of the paper presents experimental results illustrating the very high level of phenotypic variability of the anatomical and physical characteristics of the wood (Quercus petraea and Quercus robur) (density, shrinkage, color, etc) and technological properties, namely suitability for slicing. Then some studies are reviewed, which show that a large part of the phenotypic variability in the wood of oak is likely to be under genetic control (individual level). In the second part of the paper, 3 kinds of studies which are still needed for optimum selection of wood quality are proposed: 1) defining realistic selection criteria for wood quality; 2) confirming genetic control of wood quality criteria; and 3) defining conditions for performing optimum selection for wood quality. This last point is treated in the context of possible developments in oak silviculture and regeneration.

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Identification en forêt de chênes sessiles (Quercus petraea) présentant un angle du fil du bois intrinsèquement faible

Guilley¹,

Loubère²,

Nepveu³

1999

Can. J. For. Res.

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Grain angle on bark (angle between the general direction of bark fissures and the axis of the trunk) was assessed at the four cardinal points at breast height (1.3 m) on 82 standing sessile oaks (Quercus petraea Liebl.). After felling, wood spiral grain was measured at breast height from cambium to pith along two diametrically opposite radii. A mixed-effect model that links the tangent of grain angle to radial position (age and distance from the pith) allows to estimate two individual parameters of grain angle. In the field, nondestructive measurements of grain angle (subcortical spiral grain or spiral grain on bark) on an individual tree combined with information on the tree stand allow to estimate one of the two parameters that describes the change in grain angle for a given radial increment. This parameter is independent of mean ring width, tree age and circumference, and site characteristics; it should allow a more accurate identification and selection of standing trees with low wood spiral grain.

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Variabilité de l'angle du fil du bois chez quelques feuillus : Hêtre, Chêne et Eucalyptus dalrympleana

Cited by 4 publications

References 2 publications

Mechanical properties of secondary quality beech (Fagus sylvatica L.) and oak (Quercus petraea (Matt.) Liebl.) obtained from thinning, and their relationship to structural parameters

Mechanical properties of secondary quality beech (Fagus sylvatica L.) and oak (Quercus petraea (Matt.) Liebl.) obtained from thinning, and their relationship to structural parameters

The possible status of wood quality in oak breeding programs (Quercus petraea Liebl and Quercus robur L)

Identification en forêt de chênes sessiles (Quercus petraea) présentant un angle du fil du bois intrinsèquement faible

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